Su Ran, a professional female boxer in the 21st century, was assassinated by Black Fist during her title defense, and woke up as Liu Qingyuan, the legitimate daughter of the Taifu who had just been tortured and killed. Bind the [Evil-beating Upgrade System], and you can become stronger by beating the evil villains of Liu Mansion. Facing the cold-blooded powerful father, the dwarf killer with a split personality, and the difficult and bullying concubine, she punched every one without saying anything. Until Xie Jingchen, the prince of the Duke of Lu, saw the crescent scar on her arm - the savior he had been looking for for ten years. From then on, he guarded her step by step and overturned the entire Liu Mansion side by side with her, uncovering the shocking murder that had been hidden for twenty years.